8535885173 has 2 divisors, whose sum is σ = 8535885174. Its totient is φ = 8535885172.

The previous prime is 8535885167. The next prime is 8535885187. The reversal of 8535885173 is 3715885358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8176138084 + 359747089 = 90422^2 + 18967^2 .

It is a cyclic number.

It is not a de Polignac number, because 8535885173 - 2¹⁶ = 8535819637 is a prime.

It is a super-2 number, since 2×8535885173² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8535885073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4267942586 + 4267942587.

It is an arithmetic number, because the mean of its divisors is an integer number (4267942587).

Almost surely, 2^8535885173 is an apocalyptic number.

It is an amenable number.

8535885173 is a deficient number, since it is larger than the sum of its proper divisors (1).

8535885173 is an equidigital number, since it uses as much as digits as its factorization.

8535885173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032000, while the sum is 53.

The square root of 8535885173 is about 92389.8542752396. The cubic root of 8535885173 is about 2043.6954972070.

The spelling of 8535885173 in words is "eight billion, five hundred thirty-five million, eight hundred eighty-five thousand, one hundred seventy-three".